Grid Point #: 001778 
Longitude:  -102.2546
Latitude:     18.6349
Contributing Station, distance (km).
TNCN   31.2
TNIF   55.4
LZCR   77.7
TNMR  121.3
UCOE  143.6
COL2  166.6
COO4  170.8
NVDO  176.6